test 3 Flashcards
What is part of the lower respiratory tract
Trachea, Bronchus,bronchiole, Terminal Bronchiole, respiratory bronchiole, alveolar duct, alveoli
What is part of the upper respiratory tract
nose, nasal cavity, pharynx(throat), larynx
What is in the respiratory zone
Respiratory bronchiole, alveolar ducts and alveoli
what is the function of the nose and nasal cavity
humidify, warm, and cleanse the inhaled air
What is the structure of the nose
Paired nasal bones (hard bones)
Hyaline cartilage
Paired nostrils (nares) are composed of dense regular ct
What is the structure of the nasal cavity
an internal space
formed by nose anteriorly
Floor is the hard palate and soft palate
Roof is composed of nasal, frontal,ethmoid, and sphenoid bones
Nasal septum
Structure of the nasal cavity
Internal space
Starts from nostrils and ends at choanae
Superior inferior and middle conchae for better turbulance
Nasal vestibule (inside of nose lined by skin and vibrissae or nasal hair)
Olfactory region-part of the roof
Respiratory region
What is the pharynx
Throat
What is the nasopharynx
Serves as an air passage way. Materials from the oral cavity and oropharynx are blocked from entering so no food or liquid should enter and is blocked by the soft palate.
What is the nasopharynx
Serves as an air passage way. Materials from the oral cavity and oropharynx is blocked from entering the nasopharynx by the soft palate.
How does the soft palate block the nasopharynx
it elevates during swallowing
what tonsils are located in the nasopharynx
pharangeal
What equalizes pressure
two openings of the pharyngotympanic tubes from middle ears
where is the oropharynx located
posterior to the oral cavity from the level of the soft palate to the hynoid bone
What is the fx of the oropharynx
Serves as a passageway for air and food.
Contains palantine tonsils and lingual tonsils
What is the location of the laryngopharynx
posterior to the epiglottis
What is the fx of the laryngopharynx
serves as a passageway for air and food.